WinToUSB is a handy program that allows you to install Windows on a USB flash or hard drive and run Windows from that drive. This easy to use program provides simple instructions to install an ISO or CD/DVD image to your USB drive. Once installed, users can easily deploy Windows from the image on the USB drive .The program provides support for MBR and GPT disk layouts and works with Windows XP/Vista/7/8/8.1/2008/2008 R2/2012/2012 R2.

Important notes:Windows Vista/7/2008/2008 R2 does not have built-in USB 3.0 support, so Windows Vista/7/2008/2008 R2 will have to be booted from a USB 2.0 port.USB flash drives are very slow. It takes a long time to install and run Windows from a USB flash drive, highly recommend using a USB hard disk.Windows To Go drives can be booted on different computers, so you can carry it to anywhere and use it on any computer.Windows 7 is not completely portable. You may have activation and driver problems when booting on different computers.You need to be an administrator on the computer you are installing the WinToUSB on.